Viessmann VITOVENT 300, Service Instructions For Contractors

Page: 25 / 52

1.
!
Please note
Mechanical loads on the fins
of the countercurrent heat
exchanger can lead to
damage on the fins.
Never touch the plastic fins
of the countercurrent heat
exchanger.
Pull out the countercurrent heat
exchanger
D using the plastic
handle.
2. Danger
Chemicals adhering to the
countercurrent heat exchan-
ger can lead to illness and
equipment damage.
Never use chemicals to
clean the countercurrent
heat exchanger.
Flush the countercurrent heat
exchanger with a hand shower
(water temperature up to 50 ºC)
and let it drip dry.
Note
&
Clean or replace all filters (ventila-
tion air and extract air filter) in the
appliance if the remote control dis-
play shows "Filter check".
&
Clean the filters subject to require-
ments and replace them annually.
&
Never operate this appliance with-
out filters.
3. Pull out outside air filter E and
extract air filter C .
Note
Remember the correct filter posi-
tion.
4. Clean the filters with a vacuum
cleaner or replace filters that have
already been cleaned several
times.
Note
Contaminated filters can be dis-
posed of with domestic waste.
5. Slide the new or cleaned filters into
their guides.
Note
Observe the correct installation
position.
Note
To reset the "FILTER CHECK" display
in the remote control, press
d on the
remote control for at least 3 s.
Further details regarding the individual steps
(cont.)
25
Commissioning, inspection, maintenance
5692
762
GB